+++ /dev/null
-# git-gui spellchecking support through aspell
-# Copyright (C) 2008 Shawn Pearce
-
-class spellcheck {
-
-field s_fd {} ; # pipe to aspell
-field s_version ; # aspell version string
-field s_lang ; # current language code
-
-field w_text ; # text widget we are spelling
-field w_menu ; # context menu for the widget
-field s_menuidx 0 ; # last index of insertion into $w_menu
-
-field s_i ; # timer registration for _run callbacks
-field s_clear 0 ; # did we erase mispelled tags yet?
-field s_seen [list] ; # lines last seen from $w_text in _run
-field s_checked [list] ; # lines already checked
-field s_pending [list] ; # [$line $data] sent to aspell
-field s_suggest ; # array, list of suggestions, keyed by misspelling
-
-constructor init {pipe_fd ui_text ui_menu} {
- set w_text $ui_text
- set w_menu $ui_menu
-
- _connect $this $pipe_fd
- return $this
-}
-
-method _connect {pipe_fd} {
- fconfigure $pipe_fd \
- -encoding utf-8 \
- -eofchar {} \
- -translation lf
-
- if {[gets $pipe_fd s_version] <= 0} {
- close $pipe_fd
- error [mc "Not connected to aspell"]
- }
- if {{@(#) } ne [string range $s_version 0 4]} {
- close $pipe_fd
- error [strcat [mc "Unrecognized aspell version"] ": $s_version"]
- }
- set s_version [string range $s_version 5 end]
-
- puts $pipe_fd ! ; # enable terse mode
- puts $pipe_fd {$$cr master} ; # fetch the language
- flush $pipe_fd
-
- gets $pipe_fd s_lang
- regexp {[/\\]([^/\\]+)\.[^\.]+$} $s_lang _ s_lang
-
- if {$::default_config(gui.spellingdictionary) eq {}
- && [get_config gui.spellingdictionary] eq {}} {
- set ::default_config(gui.spellingdictionary) $s_lang
- }
-
- if {$s_fd ne {}} {
- catch {close $s_fd}
- }
- set s_fd $pipe_fd
-
- fconfigure $s_fd -blocking 0
- fileevent $s_fd readable [cb _read]
-
- $w_text tag conf misspelled \
- -foreground red \
- -underline 1
- bind_button3 $w_text [cb _popup_suggest %X %Y @%x,%y]
-
- array unset s_suggest
- set s_seen [list]
- set s_checked [list]
- set s_pending [list]
- _run $this
-}
-
-method lang {{n {}}} {
- if {$n ne {} && $s_lang ne $n} {
- set spell_cmd [list |]
- lappend spell_cmd aspell
- lappend spell_cmd --master=$n
- lappend spell_cmd --mode=none
- lappend spell_cmd --encoding=UTF-8
- lappend spell_cmd pipe
- _connect $this [open $spell_cmd r+]
- }
- return $s_lang
-}
-
-method version {} {
- return "$s_version, $s_lang"
-}
-
-method stop {} {
- while {$s_menuidx > 0} {
- $w_menu delete 0
- incr s_menuidx -1
- }
- $w_text tag delete misspelled
-
- catch {close $s_fd}
- catch {after cancel $s_i}
- set s_fd {}
- set s_i {}
- set s_lang {}
-}
-
-method _popup_suggest {X Y pos} {
- while {$s_menuidx > 0} {
- $w_menu delete 0
- incr s_menuidx -1
- }
-
- set b_loc [$w_text index "$pos wordstart"]
- set e_loc [_wordend $this $b_loc]
- set orig [$w_text get $b_loc $e_loc]
- set tags [$w_text tag names $b_loc]
-
- if {[lsearch -exact $tags misspelled] >= 0} {
- if {[info exists s_suggest($orig)]} {
- set cnt 0
- foreach s $s_suggest($orig) {
- if {$cnt < 5} {
- $w_menu insert $s_menuidx command \
- -label $s \
- -command [cb _replace $b_loc $e_loc $s]
- incr s_menuidx
- incr cnt
- } else {
- break
- }
- }
- } else {
- $w_menu insert $s_menuidx command \
- -label [mc "No Suggestions"] \
- -state disabled
- incr s_menuidx
- }
- $w_menu insert $s_menuidx separator
- incr s_menuidx
- }
-
- $w_text mark set saved-insert insert
- tk_popup $w_menu $X $Y
-}
-
-method _replace {b_loc e_loc word} {
- $w_text configure -autoseparators 0
- $w_text edit separator
-
- $w_text delete $b_loc $e_loc
- $w_text insert $b_loc $word
-
- $w_text edit separator
- $w_text configure -autoseparators 1
- $w_text mark set insert saved-insert
-}
-
-method _restart_timer {} {
- set s_i [after 300 [cb _run]]
-}
-
-proc _match_length {max_line arr_name} {
- upvar $arr_name a
-
- if {[llength $a] > $max_line} {
- set a [lrange $a 0 $max_line]
- }
- while {[llength $a] <= $max_line} {
- lappend a {}
- }
-}
-
-method _wordend {pos} {
- set pos [$w_text index "$pos wordend"]
- set tags [$w_text tag names $pos]
- while {[lsearch -exact $tags misspelled] >= 0} {
- set pos [$w_text index "$pos +1c"]
- set tags [$w_text tag names $pos]
- }
- return $pos
-}
-
-method _run {} {
- set cur_pos [$w_text index {insert -1c}]
- set cur_line [lindex [split $cur_pos .] 0]
- set max_line [lindex [split [$w_text index end] .] 0]
- _match_length $max_line s_seen
- _match_length $max_line s_checked
-
- # Nothing in the message buffer? Nothing to spellcheck.
- #
- if {$cur_line == 1
- && $max_line == 2
- && [$w_text get 1.0 end] eq "\n"} {
- array unset s_suggest
- _restart_timer $this
- return
- }
-
- set active 0
- for {set n 1} {$n <= $max_line} {incr n} {
- set s [$w_text get "$n.0" "$n.end"]
-
- # Don't spellcheck the current line unless we are at
- # a word boundary. The user might be typing on it.
- #
- if {$n == $cur_line
- && ![regexp {^\W$} [$w_text get $cur_pos insert]]} {
-
- # If the current word is mispelled remove the tag
- # but force a spellcheck later.
- #
- set tags [$w_text tag names $cur_pos]
- if {[lsearch -exact $tags misspelled] >= 0} {
- $w_text tag remove misspelled \
- "$cur_pos wordstart" \
- [_wordend $this $cur_pos]
- lset s_seen $n $s
- lset s_checked $n {}
- }
-
- continue
- }
-
- if {[lindex $s_seen $n] eq $s
- && [lindex $s_checked $n] ne $s} {
- # Don't send empty lines to Aspell it doesn't check them.
- #
- if {$s eq {}} {
- lset s_checked $n $s
- continue
- }
-
- # Don't send typical s-b-o lines as the emails are
- # almost always misspelled according to Aspell.
- #
- if {[regexp -nocase {^[a-z-]+-by:.*<.*@.*>$} $s]} {
- $w_text tag remove misspelled "$n.0" "$n.end"
- lset s_checked $n $s
- continue
- }
-
- puts $s_fd ^$s
- lappend s_pending [list $n $s]
- set active 1
- } else {
- # Delay until another idle loop to make sure we don't
- # spellcheck lines the user is actively changing.
- #
- lset s_seen $n $s
- }
- }
-
- if {$active} {
- set s_clear 1
- flush $s_fd
- } else {
- _restart_timer $this
- }
-}
-
-method _read {} {
- while {[gets $s_fd line] >= 0} {
- set lineno [lindex $s_pending 0 0]
-
- if {$s_clear} {
- $w_text tag remove misspelled "$lineno.0" "$lineno.end"
- set s_clear 0
- }
-
- if {$line eq {}} {
- lset s_checked $lineno [lindex $s_pending 0 1]
- set s_pending [lrange $s_pending 1 end]
- set s_clear 1
- continue
- }
-
- set sugg [list]
- switch -- [string range $line 0 1] {
- {& } {
- set line [split [string range $line 2 end] :]
- set info [split [lindex $line 0] { }]
- set orig [lindex $info 0]
- set offs [lindex $info 2]
- foreach s [split [lindex $line 1] ,] {
- lappend sugg [string range $s 1 end]
- }
- }
- {# } {
- set info [split [string range $line 2 end] { }]
- set orig [lindex $info 0]
- set offs [lindex $info 1]
- }
- default {
- puts stderr "<spell> $line"
- continue
- }
- }
-
- incr offs -1
- set b_loc "$lineno.$offs"
- set e_loc [$w_text index "$lineno.$offs wordend"]
- set curr [$w_text get $b_loc $e_loc]
-
- # At least for English curr = "bob", orig = "bob's"
- # so Tk didn't include the 's but Aspell did. We
- # try to round out the word.
- #
- while {$curr ne $orig
- && [string equal -length [string length $curr] $curr $orig]} {
- set n_loc [$w_text index "$e_loc +1c"]
- set n_curr [$w_text get $b_loc $n_loc]
- if {$n_curr eq $curr} {
- break
- }
- set curr $n_curr
- set e_loc $n_loc
- }
-
- if {$curr eq $orig} {
- $w_text tag add misspelled $b_loc $e_loc
- if {[llength $sugg] > 0} {
- set s_suggest($orig) $sugg
- } else {
- unset -nocomplain s_suggest($orig)
- }
- } else {
- unset -nocomplain s_suggest($orig)
- }
- }
-
- fconfigure $s_fd -block 1
- if {[eof $s_fd]} {
- if {![catch {close $s_fd} err]} {
- set err [mc "Unexpected EOF from aspell"]
- }
- catch {after cancel $s_i}
- $w_text tag remove misspelled 1.0 end
- error_popup [strcat [mc "Spell Checker Failed"] "\n\n" $err]
- return
- }
- fconfigure $s_fd -block 0
-
- if {[llength $s_pending] == 0} {
- _restart_timer $this
- }
-}
-
-proc available_langs {} {
- set langs [list]
- catch {
- set fd [open [list | aspell dump dicts] r]
- while {[gets $fd line] >= 0} {
- if {$line eq {}} continue
- lappend langs $line
- }
- close $fd
- }
- return $langs
-}
-
-}
projects / git.git / blobdiff